/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.nhncorp.neptune.examples.weblink;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;

public class TextArray implements Writable {
  Text[] texts;
  
  public TextArray() {
    
  }
  
  public TextArray(Text[] texts) {
    this.texts = texts;
  }
  
  @Override
  public void readFields(DataInput in) throws IOException {
    int length = in.readInt();
    
    texts = new Text[length];
    for(int i = 0; i < length; i++) {
      texts[i] = new Text();
      texts[i].readFields(in);
    }
  }

  @Override
  public void write(DataOutput out) throws IOException {
    int length = texts == null ? 0 : texts.length;
    out.writeInt(length);
    
    for(int i = 0; i < length; i++) {
      texts[i].write(out);
    }
  }

  public Text get(int index) {
    if(index > texts.length - 1) {
      return null;
    }
    return texts[index];
  }

}
